49029640 has 32 divisors (see below), whose sum is σ = 120346560. Its totient is φ = 17828800.

The previous prime is 49029623. The next prime is 49029641. The reversal of 49029640 is 4692094.

It is a junction number, because it is equal to n+sod(n) for n = 49029596 and 49029605.

It is not an unprimeable number, because it can be changed into a prime (49029641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55276 + ... + 56155.

It is an arithmetic number, because the mean of its divisors is an integer number (3760830).

Almost surely, 2^49029640 is an apocalyptic number.

49029640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49029640 is an abundant number, since it is smaller than the sum of its proper divisors (71316920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49029640 is a wasteful number, since it uses less digits than its factorization.

49029640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111453 (or 111449 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 49029640 is about 7002.1168227901. The cubic root of 49029640 is about 366.0043396820.

The spelling of 49029640 in words is "forty-nine million, twenty-nine thousand, six hundred forty".